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- Viberg, MatsLinköpings universitet,Reglerteknik,Tekniska högskolan,Dep. of Electrical Engineering SE-581 83 Linköpings Universitet Sweden (author)
Source Localization in the Presence of Model Uncertainties
- Article/chapterEnglish1992
Publisher, publication year, extent ...
- 1992
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:liu-91122
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-91122URI
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-92593URI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
Classification
Notes
- NR 20140805
- In many signal processing applications high accuracy signal parameter estimation from sensor array data is a significant problem. Much of the recent work in array processing has focused on methods for high-resolution location estimation. Model based estimation techniques requre accurate knowledge of the so-called array manifold. In practise, the array response is often determined by measuring the array response when only one emitter is radiating and the signal parameters of which are allowed to vary in a known way. This paper addresses some of the practical issues that arise in generating the so-called array manifold from a finite collection of caibration vectors. For high-resolution signal parameter estimation techniques to be successful, the interpolated array manifold has to satisfy certain smoothness conditions. A paradigm for generating an array model from noise corrupted calibration vectors is developed. The key idea is to use a local parametric model of the sensor responses. The potential improvement using the suggested scheme rather than an ideal array model is demonstrated on real data collected from a full-scale hydro-acoustic array.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Reglerteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Control Engineering hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Telekommunikation hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Telecommunications hsv//eng
- Signal processing
- Parameter estimation
- Sensor array data
- Calibration vectors
- Interpolation
- TECHNOLOGY
- TEKNIKVETENSKAP
Added entries (persons, corporate bodies, meetings, titles ...)
- Ottersten, Björn,1961-KTH,Signaler, sensorer och system,Royal Institute of Technology, Sweden(Swepub:kth)u120hb53 (author)
- Wahlberg, BoKTH,Reglerteknik,Royal Institute of Technology, Sweden(Swepub:kth)u18c1tfa (author)
- Linköpings universitetReglerteknik (creator_code:org_t)
Related titles
- In:Proceedings of the 2nd Workshop on Adaptive Algorithms in Communications
- In:Proc. Adaptive Algorithms in Comm. Conf. 92
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